. >>> cold tomorrow morning, 20s, santa rosa, napa, just about everybody below freezing except for san francisco, coldest night in nearly a year, wow. >> letterman is next. >> sleep out in the hammock tonight. >> stay warm! ( band playing "late show" theme ) >> from the heart of broadway, broadcasting across the nation and around the world, it's the "late show" with david letterman. tonight... plus paul shaffer and the cbs orchestra. i'm alan kalter. and now, it will put a chicken in every pot, david letterman! captioning sponsored by worldwide pants and cbs ( band playing "late show" theme ) ( cheers and ala